Ice screw



FIG. 1 is a perspective view of an ice screw;

FIG. 2 is a front view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a right-side view thereof;

FIG. 5 is a left-side view thereof;

FIG. 6 is bottom view thereof;

FIG. 7 is a rear view thereof;

FIG. 8 is a perspective view of the ice screw of FIG. 1, in which the arm portion is shown in the folded position;

FIG. 9 is a front view thereof;

FIG. 10 is a top view thereof;

FIG. 11 is a right-side view thereof;

FIG. 12 is a left-side view thereof;

FIG. 13 is a bottom view thereof; and,

FIG. 14 is a rear view thereof.

The broken lines depict portions of the ice screw in which the design is embodied that are not considered part of the claimed design. 

CLAIM The ornamental design for an ice screw, as shown and described. 